ImmunoGen, Inc. Corporate Offices and Research Facility
830 Winter Street
Waltham, MA 02451-1477
Tel (781) 895-0600
Fax (781) 895-0611

First, reach Exit 27B on I-95 (a.k.a. 128)

• If coming from Logan Airport, take I-90 West (a.k.a. Massachusetts Turnpike or Mass Pike) to Exit 15. At Exit 15, head north on I-95 to Exit 27A&B.

Bear right at Exit 27B

• If traveling north on I-95, take the exit ramp for 27A&B, go past the exit for 27A, and bear right on to the exit for 27B. Follow the ramp around to the right, bearing right at the first traffic light to get on Wyman Street and then right again to get on Winter Street. If done successfully, this will put you on a bridge crossing over I-95 heading west on Winter Street. After crossing over I-95, move over one lane to the right when safe to do so.



• If traveling south on I-95, bear right at the exit to get on Winter Street heading west.

Both of the two right-most lanes continue to Winter Street. They merge to form a single lane after the traffic light at West Street. There should now be a body of water visible on the right.

Follow Winter Street past Sylvan Road (on left) and past AstraZeneca (on left). The next road on left is unnamed, but has a little sign on a post that says "830-890 Winter only." It also has enormous stone signs for various entities (e.g., “Waltham Woods Corporate Center”). Turn left on to this road.

Proceed up the hill to the first street on the left (there's a large sign on the corner for 850 Winter Street). Take this left. Take the next left to enter the parking area for 830 Winter Street. Continue straight to reach the main entrance and visitor parking signs.

Park in/near one of the Visitor parking spots. The path to the front door of the building has white posts at the end where it connects to the parking lot.